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Phylum hemichordata - class-X
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Which of the following is present at the anterior end of Balanoglossus?
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A
Proboscis
💡 Explanation:
In longitudinal section of the anterior region of Balanoglossus, three parts are visible i.e., proboscis, collar, and trunk. Among these, the proboscis is present in the anterior end. It is almost round in shape. Proboscis helps in burrowing through the sand.
So, the correct answer is 'Proboscis'.